227949 has 4 divisors (see below), whose sum is σ = 303936. Its totient is φ = 151964.

The previous prime is 227947. The next prime is 227951. The reversal of 227949 is 949722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (227947) and next prime (227951).

It is a cyclic number.

It is not a de Polignac number, because 227949 - 2¹ = 227947 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37989 + ... + 37994.

It is an arithmetic number, because the mean of its divisors is an integer number (75984).

2²²⁷⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

227949 is a deficient number, since it is larger than the sum of its proper divisors (75987).

227949 is an equidigital number, since it uses as much as digits as its factorization.

227949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75986.

The product of its digits is 9072, while the sum is 33.

The square root of 227949 is about 477.4400485925. The cubic root of 227949 is about 61.0865920615.

It can be divided in two parts, 227 and 949, that added together give a triangular number (1176 = T₄₈).

The spelling of 227949 in words is "two hundred twenty-seven thousand, nine hundred forty-nine".